closely related species短语⁶⁵⁸³¹ 基本例句 近缘种 From the basic biological species concept, the new species forming is result from breeding isolation of two closely related species and no hybridization being taken place between two populations. 从生物种的基本概念出发，新种的形成有赖于两个亲缘种群间不能相互婚配和繁殖隔离的产生。 cnki